Commercial Solar Project Readiness Checklist

Gather what an assessor needs to understand the load, building, constraints and decision route.

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Electricity evidence

Twelve recent electricity billsCUPS for each supply pointInterval consumption export from Datadis or the distributorCurrent tariff, contracted power and renewal date

Property and roof

Site address and property ownership or lease positionRoof plan or measured usable areaRoof type, age and known conditionKnown structural survey, asbestos or warranty constraintsPhotos of roof, plant, access and electrical rooms

Operations

Operating days and hoursSeasonal shutdowns or demand changesPlanned machinery, refrigeration, heat pumps or EV chargingCritical loads and tolerance for planned outages

Project governance

Decision-maker and technical contactBudget or preferred finance routeTarget decision dateLandlord, lender or insurer approvals neededAt least two comparable proposals where practicable

You can enquire without completing every item. The list is designed to reduce follow-up questions and make competing assessments easier to compare. Do not send bills or personal data until you know who will receive them and have reviewed the relevant privacy information.

Start with consumption data

Interval data usually tells a technical team far more than a single annual bill total.

How to obtain Datadis data ↗

Independent commercial solar information and enquiry coordination for businesses across Spain.

Request an assessment ↗

Commercial Solar Spain is an information, enquiry and coordination property. It is not the installation contractor.